TCA9555DBR - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

TCA9555DBR
Manufacturer

TI
ChipWorker Part#

CW15137914
Category

Interface IC, Interface Controller
Package

SSOP-24
Description

TEXAS INSTRUMENTS TCA9555DBR I/O Expander, 16Bit, 400kHz, I2C, SMBus, 1.65V, 5.5V, SSOP New
Documentation

Datasheet

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TCA9555DBR Specifications

Attribute	Attribute Value

Part Number	TCA9555DBR
Manufacturer	TI
ChipWorker Part#	CW15137914
Category	Interface IC, Interface Controller
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	24 Pin
Case/Package	SSOP-24
Number of Positions	24 Position
Clock Speed	400 kHz
Voltage Nodes	1.80 V, 2.70 V, 3.30 V, 3.60 V, 5.00 V
Number of Inputs and Outputs	16 Input IO
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	1.65V ~ 5.5V
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	1.65 V
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Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99

Product Description

The TCA9555DBR is a 16bit I2C and SMBus I/O expander with interrupt output and configuration registers in 24 pin SSOP package. This 16bit I/O expander for the two-line bidirectional bus (I2C) is designed for 1.65V to 5.5V VCC operation. It provides general-purpose remote I/O expansion for most microcontroller families via the I2C interface. The TCA9555 consists of two 8-bit configuration (input or output selection), input port, output port and polarity inversion (active high or active low operation) registers. At power on, I/Os are configured as inputs. The system master can enable I/Os as either inputs or outputs by writing to I/O configuration bits. The data for each input or output is kept in the corresponding input or output register. The polarity of the input port register can be inverted with the polarity inversion register.
Low standby current consumption of 3.5µA maximum
Open drain active low interrupt output
5V tolerant I/O ports
400KHz fast I2C bus
Configurable slave address with 3 address pins
Latched outputs with high current drive capability for directly driving LEDs
Latch-up performance exceeds 100mA per JESD 78, class II
ESD protection exceeds JESD 22 2KV human-body model (A114-A), 1KV charged-device model (C101)
Operating temperature range from -40°C to +85°C
ESD sensitive device, take proper precaution while handling the device.

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